Phase-only encoding of wide-angle 3D computer generated hologram

Authors

DOI:

https://doi.org/10.4302/plp.v17i2.1348

Abstract

Wide-angle capability is essential for holographic near-eye displays. Most of these employ phase-only spatial light modulators, so CGH must be encoded as phase-only holograms (PoHs). Thus, this paper investigates three known encoding methods: double phase hologram (DPH), direct phase only hologram (D-PoH), and complex amplitude modulation (CAM). To determine the most optimal phased-encoding method, we evaluate them by field of view, image quality, and diffraction efficiency. It was found that CAM gives very low brightness and quality; thus, improvement of the CAM is proposed. Also, we conclude that D-PoH is the optimal method for the wide-angle case.

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References

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Author Biographies

Rafał Kukołowicz, Faculty of Mechatronics, Warsaw University of Technology

Assistant Professor, Warsaw University of Technology.

Moncy Sajeev Idicula, Faculty of Mechatronics, Warsaw University of Technology

PhD Candidate, Warsaw University of Technology.

Maksymilian Chlipała, Faculty of Mechatronics, Warsaw University of Technology

Assistant Professor, Warsaw University of Technology.

Tomasz Kozacki, Faculty of Mechatronics, Warsaw University of Technology

Professor, Warsaw University of Technology.

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Published

2025-07-01

How to Cite

[1]
A. Szawerdak, R. Kukołowicz, M. S. Idicula, M. Chlipała, and T. Kozacki, “Phase-only encoding of wide-angle 3D computer generated hologram”, Photonics Lett. Pol., vol. 17, no. 2, pp. 60–63, Jul. 2025.

Issue

Vol. 17 No. 2 (2025)

Section

Articles

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Copyright (c) 2025 Artur Szawerdak, Rafał Kukołowicz, Moncy Sajeev Idicula, Maksymilian Chlipała, Tomasz Kozacki

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